Zephyr unmanned solar aircraft flying above the US Army's Yuma Proving Ground, Arizona, USA. The aircraft broke its own aerial endurance record by being airborne for 64-days. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / US Department of Defense |
Bildgröße: | 4830 px × 7237 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |